﻿#if NETSTANDARD

//
// System.Configuration.NonEmptyStringConfigurationProperty.cs
//
// Authors:
//  Lluis Sanchez Gual (lluis@novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
//

namespace System.Configuration
{
    public sealed class NonEmptyStringConfigurationProperty : ConfigurationProperty
    {
        private readonly NonEmptyStringFlags _stringFlags;

        public NonEmptyStringConfigurationProperty(string name, string defaultValue, ConfigurationPropertyOptions flags)
            : base(name, typeof(string), defaultValue, flags)
        {
        }

        public NonEmptyStringConfigurationProperty(string name, string defaultValue, ConfigurationPropertyOptions flags,
            NonEmptyStringFlags nonEmptyStringFlags)
            : base(name, typeof(string), defaultValue, flags)
        {
            _stringFlags = nonEmptyStringFlags;
        }

        internal override object ConvertFromString(string value)
        {
            return Check(value);
        }

        internal override string ConvertToString(object value)
        {
            return Check(value as string);
        }

        private string Check(string s)
        {
            if (string.IsNullOrEmpty(s))
                throw new ConfigurationErrorsException("The property '" + Name + "' can't be empty");

            if (_stringFlags == NonEmptyStringFlags.TrimWhitespace)
                return s.Trim();
            return s;
        }
    }
}

#endif